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【单选题】
The diagram shows a straight wire carrying current i in a uniform magnetic field. The magnetic force on the wire is indicated by an arrow but the magnetic field is not shown. Of the following possibilities, the direction of the magnetic field is:A.
opposite the direction of the current
B.
in the direction of force.
C.
out of the page
D.
into the page
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【简答题】在下面对话的空白处填入适当的单词，使对话的意思完整、通顺，每空限填一词（含缩写词）。 W: Did you go to the 【 小题1】 yesterday? M: Yes, I did. W: I went with my friends Jim and Frank. W: What animals did you see there? M: We 【 小题2】 tigers, lions,...
【单选题】Woman: Which school did you go to? Len: Grand High School. Hi, Jim Jim: That’s right. Long long time ago Woman: Really, when did you ______ school? Jim: in 1986
A.
finishing
B.
finished
C.
finish
【简答题】选择合适的答语。 ( )1. How are you? ( )2. Are you going to swim tomorrow? ( )3. When did Jim go on holiday? ( )4. Did she learn English? ( )5. What did you eat last night? ( )6. Have you got...
【简答题】M:Is going to be a parade, too? W: No parade, but lots of singing, _____and party in the street. However there’s going to be a new
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【单选题】预热器和预分解炉内,因为水泥生料处于悬浮状态,传热面积大,传热系数高,传质阻力小,所以 CaCO 3 分解速率取决于 。
A.
传热过程
B.
传质过程
C.
化学反应速率
D.
传热和传质过程
【单选题】把下列句子按照正确的顺序排列。
A.
Hello, Mike.
B.
Hi, Jim.
C.
Where did you go?
D.
You didn't go to school yesterday.
E.
I'm sorry to hear that.
F.
Oh, I was ill yesterday. 正确的顺序是: _____ B _____ C _____ _____
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